File:Einstein and Einstein A.jpg
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Einstein_and_Einstein_A.jpg (423 × 486 pixels, file size: 332 KB, MIME type: image/jpeg)
This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
DescriptionEinstein and Einstein A.jpg |
English: Located on the western limb of the Moon, Einstein and Einstein A craters (16.3oN, 271.3oE ) are only visible to Earth-based observers during certain lunar lighting and orientation conditions. Einstein A is younger than Einstein, as indicated by the fact that it lies squarely in the middle of the floor of Einstein. When viewed in topographic data, these two craters reveal much about the relative age and shape of an impact crater. To understand further, let's first take a look at Einstein. Einstein is a fairly large crater that spans 198 km across. A crater's size alone however cannot reveal much about age. Einstein's relative age can be determined by examining the frequency and distribution of impact craters overprinted on its rim and floor. Younger craters have had fewer impacts, which enables them to retain their original morphology. Einstein A reveals most of its original structure, including a raised rim and ejecta blanket, and is therefore a relatively young crater as compared to Einstein, whose original structure has been somewhat degraded over time by smaller impacts. The Einstein craters were named after famed physicist, philosopher, and scientist Albert Einstein (1879-1955). |
Date | |
Source | https://flic.kr/p/823ZS4 |
Author | NASA/Goddard Space Flight Center |
Licensing
Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
Warnings:
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This image was originally posted to Flickr by NASA Goddard Photo and Video at https://flickr.com/photos/24662369@N07/4606398747. It was reviewed on 2017-08-03 20:45:27 by FlickreviewR, who found it to be licensed under the terms of the cc-by-2.0, which is compatible with the Commons. It is, however, not the same license as given above, and it is unknown whether that license ever was valid. |
Items portrayed in this file
depicts
5 August 2014
image/jpeg
79bcb8fa61fc14bb4eb30e04d26896490a14d354
340,355 byte
486 pixel
423 pixel
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:01, 5 August 2014 | 423 × 486 (332 KB) | Numéro 1963 | User created page with UploadWizard |
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IIM version | 4 |
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